On Fri, May 9, 2014 at 9:50 AM, Ken Norton <ken@xxxxxxxxxxx> wrote:
> > That is a very interesting design, though I would think it would be
> stronger if both wheels had three support points instead of two, with one
> at the very bottom at the other two at 120-degree points.
>
> I think it all comes down to materials. It would probably do fine. It
> is likely OK for a normal cyclist, but Pharma Armstrong would probably
> destroy it in 30 seconds. But I do see one critical design flaw. The
> chain goes down to the bottom of the rear wheel. By placing the drive
> "hub" down there, it's going to get wet, dirty and broken from FOD.
> Granted, one advantage for having it there is that it places the
> strains and stresses right near the point of tire contact, which would
> greatly reduce wheel and frame stresses, but it's a lube and clean
> nightmare.
>
>
Plus, it appears to be friction drive, which means if the rim gets dirty or
wet, and/or the drive wheel gets dirty/wet, how are you going to transfer
drive energy to the wheel?
--
Paul Braun
Certified Music Junkie
"Music washes from the soul the dust of everyday life." -- Berthold Auerbach
--
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